what about this letter that you have sent asking for answers about what went wrong in benghazi? >> well i have the letter here with me. i could show it to you. i wouldn't change anything. let me be crystal clear as chairman of that committee, and i hope this gets out to other people who are listening about this. >> and i should point out i've got the letter here too. we've gone through it. >> republicans are working overtime to try to exploit a very normal, run of the course, admin strative letter that we agreed to on a bipartisan basis in our committee, simply to get some additional questions put in front of the state department that are part of their already existing investigation. this is not a challenge. it is nothing new. it is not something out of the ordinary. and i agreed to do it as a matter of bipartisanship because we thought these were important questions that people ought to be examining. >> but aren't you concerned, senator? >> secretary of state -- >> aren't you concerned with the way they handled this? >> i am concerned with the way the republicans are exploiting